The Collaborative International Dictionary of English v.0.48:
amphiprostylar \amphiprostylar\ adj. 1. 1 having columns at both ends but not on the sides. Syn: amphiprostyle, amphistylar, porticoed [WordNet 1.5]WordNet (r) 3.0 (2006):
amphiprostylar adj 1: marked by columniation having free columns in porticoes either at both ends or at both sides of a structure [syn: amphiprostylar, amphiprostyle, amphistylar, porticoed]